Heat circulating fireplace system for use in masonry construction



FIG. 1 is a front perspective view of a heat circulating fireplace system for the use in masonry construction, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image thereof;

FIG. 4 is a top plan view thereof. 

The ornamental design for heat circulating fireplace system for use in masonry construction, substantially as shown and described. 